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/*
* This file is part of the Advance project.
*
* Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Andrea Mazzoleni
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* In addition, as a special exception, Andrea Mazzoleni
* gives permission to link the code of this program with
* the MAME library (or with modified versions of MAME that use the
* same license as MAME), and distribute linked combinations including
* the two. You must obey the GNU General Public License in all
* respects for all of the code used other than MAME. If you modify
* this file, you may extend this exception to your version of the
* file, but you are not obligated to do so. If you do not wish to
* do so, delete this exception statement from your version.
*/
/** \file
* MNG file support.
*/
#ifndef __MNG_H
#define __MNG_H
#include "png.h"
#ifdef __cplusplus
extern "C" {
#endif
/** \name ADV_MNG_CHUNK */
/*@{*/
#define ADV_MNG_CN_DHDR 0x44484452
#define ADV_MNG_CN_MHDR 0x4D484452
#define ADV_MNG_CN_MEND 0x4D454E44
#define ADV_MNG_CN_DEFI 0x44454649
#define ADV_MNG_CN_PPLT 0x50504c54
#define ADV_MNG_CN_MOVE 0x4d4f5645
#define ADV_MNG_CN_TERM 0x5445524d
#define ADV_MNG_CN_SAVE 0x53415645
#define ADV_MNG_CN_SEEK 0x5345454b
#define ADV_MNG_CN_LOOP 0x4c4f4f50
#define ADV_MNG_CN_ENDL 0x454e444c
#define ADV_MNG_CN_BACK 0x4241434b
#define ADV_MNG_CN_FRAM 0x4652414d
/*@}*/
/**
* MNG context.
*/
typedef struct adv_mng_struct {
int end_flag; /**< End flag. */
unsigned pixel; /**< Bytes per pixel. */
unsigned char* dat_ptr; /**< Current image buffer. */
unsigned dat_size; /**< Size of the buffer image. */
unsigned dat_line; /**< Bytes per scanline. */
int dat_x; /**< X position of the displayed area in the working area. */
int dat_y; /**< Y position of the displayed area in the working area. */
unsigned dat_width; /**< Width of the working area. */
unsigned dat_height; /**< height of the working area. */
unsigned char* dlt_ptr; /**< Delta buffer. */
unsigned dlt_size; /**< Delta buffer size. */
unsigned dlt_line; /**< Delta bufer bytes per scanline. */
unsigned char pal_ptr[256*3]; /**< Palette data. */
unsigned pal_size; /**< Palette data size in bytes. */
unsigned frame_frequency; /**< Base frame rate. */
unsigned frame_tick; /**< Ticks for a generic frame. */
unsigned frame_width; /**< Frame width. */
unsigned frame_height; /**< Frame height. */
} adv_mng;
adv_error adv_mng_read_signature(adv_fz* f);
adv_error adv_mng_write_signature(adv_fz* f, unsigned* count);
adv_error adv_mng_write_mhdr(
unsigned pix_width, unsigned pix_height,
unsigned frequency, adv_bool is_lc,
adv_fz* f, unsigned* count
);
adv_error adv_mng_write_mend(adv_fz* f, unsigned* count);
adv_error adv_mng_write_fram(unsigned tick, adv_fz* f, unsigned* count);
/** \addtogroup VideoFile */
/*@{*/
adv_mng* adv_mng_init(adv_fz* f);
void adv_mng_done(adv_mng* mng);
adv_error adv_mng_read(
adv_mng* mng,
unsigned* pix_width, unsigned* pix_height, unsigned* pix_pixel,
unsigned char** dat_ptr, unsigned* dat_size,
unsigned char** pix_ptr, unsigned* pix_scanline,
unsigned char** pal_ptr, unsigned* pal_size,
unsigned* tick,
adv_fz* f
);
adv_error adv_mng_read_done(
adv_mng* mng,
unsigned* pix_width, unsigned* pix_height, unsigned* pix_pixel,
unsigned char** dat_ptr, unsigned* dat_size,
unsigned char** pix_ptr, unsigned* pix_scanline,
unsigned char** pal_ptr, unsigned* pal_size,
unsigned* tick,
adv_fz* f
);
unsigned adv_mng_frequency_get(adv_mng* mng);
unsigned adv_mng_width_get(adv_mng* mng);
unsigned adv_mng_height_get(adv_mng* mng);
/*@}*/
#ifdef __cplusplus
}
#endif
#endif
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